Important Formulas: Odd Man Out | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year PDF Download

Definition

Method & Formulas for Odd Man Out

• Description: A set of out-of-order letters, usually three, is presented. The task is to analyze the pattern in which these letters are grouped and identify the option that deviates from the established pattern.
• Approach: Examine the arrangement of letters and discern the pattern followed by the majority. Identify the option that does not conform to this pattern as the answer.

2. Word Classification:

• Description: Various items related to common properties, such as parts of speech, places, living entities, etc., are presented. The goal is to identify the item that is different from the rest based on the common properties.
• Approach: Evaluate the common properties shared by the items and identify the one that deviates from the established pattern.

3. Number Classification:

• Description: A set of numbers is provided, typically following a specific arrangement or rule (e.g., odd, even, coded binary digits). The task is to analyze the arrangement and identify the number that does not adhere to the established rule.
• Approach: Examine the numbers and determine the rule governing their arrangement. Identify the number that does not follow this rule as the answer.

By applying these methods and formulas, individuals can effectively tackle Odd Man Out problems across different categories, enhancing their ability to discern patterns and identify the element that deviates from the established group.

Solved Examples:

Q2: Pick the odd one out of the four?
(a) 4510
(b) 2723
(c) 4270
(d) 2640
Ans: (c)
4+1+0=5 ( second digit from the right)
2+2+3=7 (second digit from the right)
4+7+0=11 (not the second digit from the right)
2+4+0=6 ( second digit from the right)

Q3:  Pick the odd one out of the four?
(a) 841
(b) 949
(c) 627
(d) 501
Ans: (a)
Only 841 is the square of 29 rest all three are not perfect squares.

Q4: Pick the odd one out of the four?
(a) BOQ
(b) EQV
(c) GIP
(d) KLR
Ans: (d)
B + O = Q = 2 + 15 =17 (the place at which they appear in the English alphabet) similarly all three are the same except KLR = 11 + 12 = 23 it should have been KLW.

Q5: Pick the odd one out of the four?
(a) AZBY
(b) GHTV
(c) UFVE
(d) SHLO
Ans: (b)
The place of the first two and last two alphabet is added and the sum is 27 in all the three except for b, like A + Z = 1 + 26 = 27
B + Y = 2 + 25 = 27,  
U + F = 21 + 6 = 27
V + E = 22 + 5=27
and so on but not for b.